30A-032 LH Code Allow R-3 Zea Mays Residential 2013-06-10IBC 310.1 R-3:
R-3 Residential occupancies where the occupants are primarily permanent in nature and not
classified as Group R-1, R-2, R-4 or I, including:
Buildings that do not contain more than two dwelling units.
Adult care facilities that provide accommodations for five or fewer persons of any age for less
than 24 hours.
Child care facilities that provide accommodations for five or fewer persons of any age for less
than 24 hours.
Congregate living facilities with 16 or fewer persons.
IBC 310.1 R-1 (note)
Congregate living facilities (transient) with 10 or fewer occupants are permitted to comply with
the construction requirements for Group R-3.
Adult care and child care facilities that are within a single-family home are permitted to comply
with the International Residential Code.
Mass 8th 310.1 R-3 Replace as follows:
R-3 Residential occupancies where the occupants are primarily permanent in nature and not
classified as Group R-1, R-2, R-4 or I, including:
Buildings that do not contain more than two dwelling units.
Adult care facilities that provide accommodations for five or fewer persons of any age for less
than 24 hours.
Child care facilities, which comply with M.G.L. c. 15D, which provide accommodations for
ten or fewer children of any age for less than 24 hours, in a dwelling unit of a one or two
dwelling unit building. Such dwelling units for child care facilities are permitted to comply with
the 780 CMR One-and Two-Family Dwellings.
Congregate living facilities with 16 or fewer persons.
Adult care and child care facilities and residences within a one family dwelling or units of a two
family dwelling are permitted to comply with the 780 CMR One-and Two-Family Dwellings.
Townhouses (three or more attached dwelling units) more than three stories in height. Height
and area and fire protection requirements for townhouses shall be restricted to those for R-2
uses.
(Note: Townhouses three stories or less are also classified as R-3 but shall comply with 780 CMR
One-and Two-family Dwellings.)
Residences with five or fewer occupants that are operated or licensed by the Massachusetts
Department of Developmental Services shall comply with the 780 CMR One-and Two-family
Dwellings.
R-3 occupancies include facilities regulated by the Department of Mental Health that are in
conformance with the occupant safety requirements of 115 CMR 7.00: Standards for All
Services and Supports.
IBC 310.2:
CONGREGATE LIVING FACILITIES. A building or part thereof that contains sleeping units where
residents share bathroom and/or kitchen facilities.
Mass 8th 310.2 CONGREGATE LIVING FACILITIES Replace as follows:
CONGREGATE LIVING FACILITIES. A building or part thereof that contains sleeping units where
residents share bathroom and/or kitchen facilities. Such facilities may include exempted
facilities noted in M.G.L. c. 140, § 22.
IBC 1021.2:
1021.2 Single exits. Only one exit shall be required from Group R-3 occupancy buildings or from
stories of other buildings as indicated in Table 1021.2. Occupancies shall be permitted to have a
single exit in buildings otherwise required to have more than one exit if the areas served by the
single exit do not exceed the limitations of Table 1021.2. Mixed occupancies shall be permitted
to be served by single exits provided each individual occupancy complies with the applicable
requirements of Table 1021.2 for that occupancy. Where applicable, cumulative occupant loads
from adjacent occupancies shall be considered in accordance with the provisions of Section
1004.1. Basements with a single exit shall not be located more than one story below grade
plane.